Archived posting to the Leica Users Group, 1997/11/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Steven, You wrote: >what asa were you rating the tri-x at? If the reason for your question is related to the subject, the affect on airport security X-Ray machines on film, the ISO film speed that it is exposed at has no bearing on potential fogging. It is the actual sensitivity of the film that is directly related to this potential. The higher the actual ISO film speed the greater the potential. But I asume you knew this. Art